نتایج جستجو برای: organic thin film transistors otfts
تعداد نتایج: 392440 فیلتر نتایج به سال:
Sandrine Martin Michael Hamilton Jerzy Kanicki* Abstract — Organic-polymer-based thin-film transistors (OP-TFTs) look very promising for flexible, large-area, and low-cost organic electronics. In this paper, we describe devices based on spin-coated organic polymer that reproducibly exhibit field-effect mobility values around 5×10–3 cm2/V-sec. We also address fabrication, performance, and stabil...
This paper presents flexible electronics with a bio-compatible material interface for bio-signal monitoring applications. Organic thin-film transistors (TFT) are integrated with the bio-compatible gel interface in a 1.2-μm-thick film substrate. An electrocardiogram (ECG) of a rat is amplified by an organic TFT amplifier circuit that is mounted directly on the surface of the heart. In addition t...
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We report visible light and X-ray imagers on lightweight and mechanically flexible plastic substrates. The process involves solution processing of organic photodetectors on top of an active-matrix backplane consisting of carbon nanotube thin-film transistors. The system takes advantage of the high mobility of nanotube transistors for low operating voltages and efficient light absorption of orga...
The use of organic materials presents a tremendous opportunity to significantly impact the functionality and pervasiveness of large-area electronics. Commercialization of this technology requires reduction in manufacturing costs by exploiting inexpensive low-temperature deposition and patterning techniques, which typically lead to lower device performance. We report a low-cost approach to contr...
A pulsed gating method has been developed to enhance the baseline stability of organic thin-film transistor OTFT chemical sensors. Trap states in the organic films are the major source of the OTFTs baseline drift under static gate bias, which is identified as the bias stress effect BSE . BSE typically reduces the baseline current by 60% over 20 h in phthalocyanine based OTFT sensors. The baseli...
Though both the crystal structure and molecular orientation of organic semiconductors are known to impact charge transport in thin-film devices, separately accessing different polymorphs and varying the out-of-plane molecular orientation is challenging, typically requiring stringent control over film deposition conditions, film thickness, and substrate chemistry. Here we demonstrate independent...
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